2008 Jetta S 2.5 , VW 502 oil specs are met by Moble1 synth 0-40W, 5-40W, 10-40W. Back in the day of one weight oil, the standard philosophy was the hotter the driving conditions the heavier the oil used. End of problem. My question (which I’ve had since synth came out) is now with these multi vis…

Synthetic Oil! 0-40, 5-40, 10-40

Frantzy May 20, 2012, 12:20am 5

OK, good info. But, It is rarely cold here in FL. Would my engine be better protected with the 10-40W as apposed to the 0-40W ?